Let X be a discrete random variable with the following
PMF
0.4
p(x)= 0.3
0.2
0
a )
b) IfY =(X−2)2,findtheexpectedvalueofY.
Find the expected value and variance of X.
c) (Bonus,5points)LetY =X(X−1)(X−2). FindthePMFofY.
0.1
forx=0 forx=1 forx=2 forx=3 otherwise
Let X be a discrete random variable with the following PMF 0.4 p(x)= 0.3 0.2 0 a ) b) IfY =(X−2)2,findtheexpec
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Let X be a discrete random variable with the following PMF 0.4 p(x)= 0.3 0.2 0 a ) b) IfY =(X−2)2,findtheexpec
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